Korthuis, P M
Berger, G
Bakker, B
Rozenveld-Geugien, M
Jaques, J
de Haan, G
Schuringa, J J
Vellenga, E
Schepers, H
Article History
Received: 6 May 2014
Revised: 1 August 2014
Accepted: 22 August 2014
First Online: 3 September 2014
Competing interests
: The authors declare no conflict of interest.